Qingdao Dazeng International Trade Co.,Ltd266300About UsNew Xiangyang Commercial Plaza, Jiaozhou City, Qingdao, China.Slaughterhouse Steel Structure,Abattoir steel construction and equipment, Harmless treatment system, Welded Steel Products, Waste water treatment system.Qingdao Dazeng International Trade Co.,Ltd266300About UsNew Xiangyang Commercial Plaza, Jiaozhou City, Qingdao, China.Slaughterhouse Steel Structure,Abattoir steel construction and equipment, Harmless treatment system, Welded Steel Products, Waste water treatment system.Qingdao Dazeng International Trade Co.,LtdQingdao Dazeng International Trade Co.,LtdQingdao Dazeng International Trade Co.,LtdQingdao Dazeng International Trade Co.,LtdQingdao Dazeng International Trade Co.,LtdQingdao Dazeng International Trade Co.,LtdQingdao Dazeng International Trade Co.,LtdQingdao Dazeng International Trade Co.,LtdQingdao Dazeng International Trade Co.,LtdQingdao Dazeng International Trade Co.,LtdQingdao Dazeng International Trade Co.,LtdQingdao Dazeng In